7550138892 has 24 divisors (see below), whose sum is σ = 17618841856. Its totient is φ = 2516448528.

The previous prime is 7550138887. The next prime is 7550138917. The reversal of 7550138892 is 2988310557.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111033 + ... + 165615.

Almost surely, 2^7550138892 is an apocalyptic number.

It is an amenable number.

7550138892 is an abundant number, since it is smaller than the sum of its proper divisors (10068702964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7550138892 is a wasteful number, since it uses less digits than its factorization.

7550138892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66117 (or 66115 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 7550138892 is about 86891.5352148873. The cubic root of 7550138892 is about 1961.7860725373.

The spelling of 7550138892 in words is "seven billion, five hundred fifty million, one hundred thirty-eight thousand, eight hundred ninety-two".